8) The following output was obtained from a regression analysis of the dependent variable Sales volume "Y" (in hundreds of dollars) and an independent variable "location distance from the downtown branch "x" (in kilometers) at a = 0.1. ANOVA df SS MS F Regression 2 352.137 167.069 4.63 Residual 10 360.22 36.02 Total 12 712.357 Coefficients Standard Error t Stat P-value Intercept 10.268 2.130 7.569 0.103 Location distance 0.8435 0.006 3.552 0.06 a . Calculate and interpret the correlation coefficient. (2 marks) b. Calculate and interpret the coefficient of determination. (2 marks) C. Is the linear relationship significant? Please explain. (1 mark) d. Calculate the estimated distance (in kilometers) from the downtown branch if we find a store with 17,200 dollars in sales volume. (2 marks)